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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package chain | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "net/http" | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| ) | ||
|
|
||
| const ( | ||
| defaultOfacListURL = "https://raw.githubusercontent.com/InjectiveLabs/injective-lists/master/wallets/ofac.json" | ||
| defaultofacListFilename = "ofac.json" | ||
| ) | ||
|
|
||
| type OfacChecker struct { | ||
| ofacListPath string | ||
| ofacList []string | ||
| } | ||
|
|
||
| func NewOfacChecker() (*OfacChecker, error) { | ||
| checker := &OfacChecker{ | ||
| ofacListPath: getOfacListPath(), | ||
| } | ||
| if _, err := os.Stat(checker.ofacListPath); os.IsNotExist(err) { | ||
| if err := DownloadOfacList(); err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
| if err := checker.loadOfacList(); err != nil { | ||
| return nil, err | ||
| } | ||
| return checker, nil | ||
| } | ||
|
|
||
| func getOfacListPath() string { | ||
| currentDirectory, _ := os.Getwd() | ||
| for !strings.HasSuffix(currentDirectory, "sdk-go") { | ||
| currentDirectory = filepath.Dir(currentDirectory) | ||
| } | ||
| return filepath.Join(currentDirectory, defaultofacListFilename) | ||
| } | ||
|
|
||
| func DownloadOfacList() error { | ||
| resp, err := http.Get(defaultOfacListURL) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer resp.Body.Close() | ||
|
|
||
| if resp.StatusCode != http.StatusOK { | ||
| return fmt.Errorf("failed to download OFAC list, status code: %d", resp.StatusCode) | ||
| } | ||
|
|
||
| outFile, err := os.Create(getOfacListPath()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer outFile.Close() | ||
|
|
||
| _, err = io.Copy(outFile, resp.Body) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (oc *OfacChecker) loadOfacList() error { | ||
| file, err := os.ReadFile(oc.ofacListPath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = json.Unmarshal(file, &oc.ofacList) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (oc *OfacChecker) IsBlacklisted(address string) bool { | ||
| for _, item := range oc.ofacList { | ||
| if item == address { | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| chainclient "github.com/InjectiveLabs/sdk-go/client/chain" | ||
| ) | ||
|
|
||
| func main() { | ||
| err := chainclient.DownloadOfacList() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| [ | ||
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| ] |